This Self-Learning Module (SLM) is prepared so that you, our dear learners, can continue your studies and learn while at home. Activities, questions, directions, exercises, and discussions are carefully stated for you to understand each lesson.
Each SLM is composed of different parts. Each part shall guide you step-by-step as you discover and understand the lesson prepared for you.
Pre-tests are provided to measure your prior knowledge on lessons in each SLM. This will tell you if you need to proceed on completing this module or if you need to ask your facilitator or your teacher’s assistance for better understanding of the lesson. At the end of each module, you need to answer the post-test to self-check your learning. Answer keys are provided for each activity and test. We trust that you will be honest in using these.
Please use this module with care. Do not put unnecessary marks on any part of this SLM. Use a separate sheet of paper in answering the exercises and tests. And read the instructions carefully before performing each task.
Chemical reactions happen absolutely everywhere. Every minute, there are chemical reactions going on all around us. Do you know about any chemical reactions? Can you mention one or two examples? How do we know that a chemical reaction has taken place?
This module will provide you with information and simple activities that will help you understand how a chemical reaction emerges by applying the conservation of mass to chemical reaction.
After going through this module, you are expected to:
1. apply the principles of conservation of mass to chemical reactions.
Going through this module can be a meaningful learning experience. All you need to do is make use of your time and resources efficiently.